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Selenite Cystine Broth
Thermo Scientific™

Selenite Cystine Broth

Enrich for Salmonella species from feces or food samples with Thermo Scientitfic™ Selenite Cystine Broth prepared media tubes.
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Catalog number TV5018E
Price (EUR)
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Enrich for Salmonella species from feces or food samples with Thermo Scientitfic™ Selenite Cystine Broth. The formulation corresponds to that recommended by the AOAC1 for detection of Salmonella in foodstuffs, in particular, egg products. It is included among the standard methods media of the American Public Health Association2, 3. It also complies with the requirements of the United States Pharmacopoeia4.

Selenite Cystine Broth is modified from the formula of Leifson5 with added cystine6. This addition has given favorable results in many studies7.

The effect of the cystine may be due to its reducing abilities, which will lower the toxicity of selenite to microorganisms, and/or the extra organic sulfur provided may have a sparing effect on the critical sulfur components of the bacteria, again reducing the selective effect of the selenite.

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References

  1. Association of Official Analytical Chemists (1978) Bacteriological Analytic Manual. 5th edn. AOAC. Washington, D.C.
  2. American Public Health Association (1976) Compendium of Methods for the Microbiological Examination of Foods. APHA Inc. Washington, D.C.
  3. American Public Health Association (1978) Standard Methods for the Examination of Dairy Products. 14th edn. APHA Inc. Washington, D.C.
  4. United States Pharmacopoeia XXI (1980) Microbial Test Limits.
  5. Leifson E. (1936) Am. J. Hyg. 24(2). 423-432.
  6. North W. R and Bartram M. T. (1953) Appl. Microbiol. l. 130-134.
  7. Fricker C. R. (1987) J. Appl. Bact. 63. 99-116.
Specifications
ColorLight ivory, transparent
DescriptionSelenite Cystine Broth
Fill Volume10 mL
Fill Weight10 ± 0.5mL
FormatTube
Packaging Type50 tubes in a carton box
Quantity50/Pk.
Shelf Life26 Weeks
Manufacturing OriginGermany
Product TypeMicrobiology Media
Unit SizeEach